12389560

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{4243}}^1$

素因数の和:4327

約数の個数: 32

約数和(自身を含む): 28265040

約数和(自身を除く): 15875480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 4243, 8486, 16972, 21215, 33944, 42430, 84860, 169720, 309739, 619478, 1238956, 1548695, 2477912, 3097390, 6194780, 12389560]

約数ペア:

[(1, 12389560), (2, 6194780), (4, 3097390), (5, 2477912), (8, 1548695), (10, 1238956), (20, 619478), (40, 309739), (73, 169720), (146, 84860), (292, 42430), (365, 33944), (584, 21215), (730, 16972), (1460, 8486), (2920, 4243)]